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1242017448 = 233727192
BaseRepresentation
bin100101000000111…
…1010111010101000
310012120002000122020
41022001322322220
510020424024243
6323124424440
742530655060
oct11201727250
93176060566
101242017448
115880a5101
122a7b48120
1316a416389
14bad4a3a0
157408a283
hex4a07aea8

1242017448 has 48 divisors (see below), whose sum is σ = 3549926880. Its totient is φ = 354731616.

The previous prime is 1242017407. The next prime is 1242017473. The reversal of 1242017448 is 8447102421.

It is a super-2 number, since 2×12420174482 = 3085214682272865408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455433 + ... + 458151.

It is an arithmetic number, because the mean of its divisors is an integer number (73956810).

Almost surely, 21242017448 is an apocalyptic number.

It is an amenable number.

1242017448 is an abundant number, since it is smaller than the sum of its proper divisors (2307909432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242017448 is an frugal number, since it uses more digits than its factorization.

1242017448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 1242017448 is about 35242.2679179419. The cubic root of 1242017448 is about 1074.9193948576.

Adding to 1242017448 its reverse (8447102421), we get a palindrome (9689119869).

The spelling of 1242017448 in words is "one billion, two hundred forty-two million, seventeen thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2719 5438 8157 10876 16314 19033 21752 32628 38066 57099 65256 76132 114198 152264 228396 456792 7392961 14785922 22178883 29571844 44357766 51750727 59143688 88715532 103501454 155252181 177431064 207002908 310504362 414005816 621008724 1242017448